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From: Gregory Etelson <getelson@nvidia.com>
To: <dev@dpdk.org>
Cc: <getelson@nvidia.com>, <matan@nvidia.com>, <rasland@nvidia.com>,
	<stable@dpdk.org>, Viacheslav Ovsiienko <viacheslavo@nvidia.com>
Subject: [PATCH] net/mlx5: fix flex item availability
Date: Wed, 2 Mar 2022 13:06:42 +0200	[thread overview]
Message-ID: <20220302110642.28496-1-getelson@nvidia.com> (raw)

Flex item availability is restricted to Blue Field 2 and Blue Field 3
PF ports.

The patch validates port type compliance before proceeding to
flex item creation.

Cc: stable@dpdk.org

Fixes: db25cadc0887 ("net/mlx5: add flex item operations")

Signed-off-by: Gregory Etelson <getelson@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
---
 drivers/common/mlx5/linux/mlx5_common_os.h |  1 +
 drivers/net/mlx5/mlx5_flow.c               | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/drivers/common/mlx5/linux/mlx5_common_os.h b/drivers/common/mlx5/linux/mlx5_common_os.h
index a85f3b5f3c..27f1192205 100644
--- a/drivers/common/mlx5/linux/mlx5_common_os.h
+++ b/drivers/common/mlx5/linux/mlx5_common_os.h
@@ -9,6 +9,7 @@
 #include <malloc.h>
 
 #include <rte_pci.h>
+#include <rte_bus_pci.h>
 #include <rte_debug.h>
 #include <rte_atomic.h>
 #include <rte_log.h>
diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index a690e2d337..ebff2c6409 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -10619,10 +10619,27 @@ mlx5_flow_flex_item_create(struct rte_eth_dev *dev,
 			   struct rte_flow_error *error)
 {
 	static const char err_msg[] = "flex item creation unsupported";
+	struct mlx5_priv *priv = dev->data->dev_private;
 	struct rte_flow_attr attr = { .transfer = 0 };
 	const struct mlx5_flow_driver_ops *fops =
 			flow_get_drv_ops(flow_get_drv_type(dev, &attr));
 
+	if (!priv->pci_dev) {
+		rte_flow_error_set(error, ENOTSUP,
+				   RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+				   "create flex item on PF only");
+		return NULL;
+	}
+	switch (priv->pci_dev->id.device_id) {
+	case PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF:
+	case PCI_DEVICE_ID_MELLANOX_CONNECTX7BF:
+		break;
+	default:
+		rte_flow_error_set(error, ENOTSUP,
+				   RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+				   "flex item available on Blue Field ports only");
+		return NULL;
+	}
 	if (!fops->item_create) {
 		DRV_LOG(ERR, "port %u %s.", dev->data->port_id, err_msg);
 		rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
-- 
2.34.1


             reply	other threads:[~2022-03-02 11:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-02 11:06 Gregory Etelson [this message]
2022-03-07 10:41 ` Raslan Darawsheh

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